Bump pg from 8.3.2 to 8.5.1

Bumps [pg](https://github.com/brianc/node-postgres) from 8.3.2 to 8.5.1.
- [Release notes](https://github.com/brianc/node-postgres/releases)
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/compare/pg@8.3.2...pg@8.5.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -50,7 +50,7 @@
     "newrelic": "^6.12.0",
     "node-sass": "^4.14.1",
     "nodebrainz": "^2.1.1",
-    "pg": "^8.3.0",
+    "pg": "^8.5.1",
     "playmusic": "^2.3.0",
     "sass-loader": "^9.0.2",
     "sequelize": "^6.3.4",